luke
/
icestorm
mirror of https://github.com/YosysHQ/icestorm.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

docs/format.html: document bram/cram read-back commands 

The Lattice tools use these additional commands to read-back the BRAM
and CRAM after programming to validate that it was written correctly.
`iceprog` doesn't use this right now, so this is just for documentation
purposes.

Signed-off-by: Trammell Hudson <hudson@trmm.net>
This commit is contained in:
Trammell Hudson 2022-01-22 18:46:24 +01:00
parent 3b7b199131
commit 5b5d7bb3ce
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
docs/format.html
View File

@ -47,8 +47,10 @@ The following commands are known:
<table class="ctab">
<tr><th>Opcode</th><th>Description</th></tr>
<tr><td>0</td><td>payload=1: CRAM Data<br/>
payload=3: BRAM Data<br/>
<tr><td>0</td><td>payload=1: Write CRAM Data<br/>
payload=2: Read BRAM Data<br/>
payload=3: Write BRAM Data<br/>
payload=4: Read BRAM Data<br/>
payload=5: Reset CRC<br/>
payload=6: Wakeup<br/>
payload=8: Reboot</td></tr>
@ -59,9 +61,9 @@ The following commands are known:
payload=0: low<br/>
payload=1: medium<br/>
payload=2: high</td></tr>
<tr><td>6</td><td>Set bank width</td></tr>
<tr><td>7</td><td>Set bank height</td></tr>
<tr><td>8</td><td>Set bank offset</td></tr>
<tr><td>6</td><td>Set bank width (16-bits, MSB first)</td></tr>
<tr><td>7</td><td>Set bank height (16-bits, MSB first)</td></tr>
<tr><td>8</td><td>Set bank offset (16-bits, MSB first)</td></tr>
<tr><td>9</td><td>payload=0: Disable warm boot<br/>
payload=16: Enable cold boot<br/>
payload=32: Enable warm boot</td></tr>